Robtex

Up: 192.30.192.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 192.30.192.0/22
Down right: 192.30.196.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.30.192.14	A	cable-view.net
192.30.192.25	A+PTR	ns1.springcitycable.net
192.30.192.25	A	springcitycable.net
192.30.192.25	A	mail.springcitycable.net
192.30.193.34	A	etpagan.com
192.30.196.3	A	mail.mylakehouse.net